Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Las Yerbitas (Aserradero), Mexico, especially given the region's Csb climate that can lead to significant sun exposure throughout the day. Monitoring UV levels is essential not only for preventing sunburn but also for safeguarding skin health in a place where UV radiation peaks at an astonishing 14 between 1:00 PM and 3:00 PM. By staying informed about UV index fluctuations, you can better plan your outdoor activities and protect yourself from harmful effects. So, whether you’re enjoying the scenic beauty of Las Yerbitas or just stepping out for a quick errand, knowing the UV index helps ensure you enjoy the sun safely!
During the day, the UV Index reaches its peak as the sun ascends toward its zenith. It starts off gently at 1 by 7:00 AM, gradually climbing to 4 by 9:00 AM. The intensity escalates dramatically, with the UV Index hitting 11 at 11:00 AM and peaking at an intense 14 between 1:00 PM and 2:00 PM. As the afternoon progresses, the index begins to decline, falling to 8 by 4:00 PM before tapering off to 4 at 5:00 PM. As evening descends, the UV Index drops back to a mild 1 by 7:00 PM. This pattern highlights the importance of sun protection, particularly during the midday hours when UV exposure is highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 14 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | very high | 15 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal changes, peaking from March to October with extreme levels of UV radiation. The highest risk months are April, May, June, July, August, and September, all maintaining an extreme exposure category with a burn time of just 10 minutes. Residents and visitors should be particularly cautious during this period, taking proactive measures to protect their skin, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade during midday hours. In contrast, January and November mark a slight decrease to a very high level with a burn time of 15 minutes, while December and February transition back to high and extreme categories, respectively. Awareness of these changes can help everyone enjoy the outdoors safely while minimizing skin damage risks.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Las Yerbitas (Aserradero) | 8 | 11 | 12 | 15 | 14 | 14 | 14 | 14 | 13 | 11 | 9 | 7 |
Guadalajara UVI | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
Ecatepec de Morelos UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
Mexico City UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |